1. A child hears it spoken from morning till night and, what is more important, always in its genuine form, with the right pronunciation, right intonation, right use of words and right structure.
    孩子从早到晚都在听人们说这种语言，而且总是以其真实的形式，并且是正确的发音、正确的语调、正确的用词和正确的结构。

2. Please pay attention to your intonation.
    请注意你的语调。